Home / 791,725,583.68-1,187,764,941.12-259,960,699.90

Finding the Fourth Proportional to 791,725,583.68, 1,187,764,941.12 and 259,960,699.90

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Solution

The fourth proportional to 791,725,583.68, 1,187,764,941.12 and 259,960,699.90 is: 389,999,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,725,583.68 : 1,187,764,941.12 = 259,960,699.90 : x
  2. Step 2: Convert to fraction form
    791,725,583.68/1,187,764,941.12 = 259,960,699.90/x
  3. Step 3: Cross multiply
    791,725,583.68x = 1,187,764,941.12 × 259,960,699.90
  4. Step 4: Simplify right side
    791,725,583.68x = 308,772,205,410,237,440
  5. Step 5: Solve for x
    x = 308,772,205,410,237,440/791,725,583.68
  6. Step 6: Final answer
    x = 389,999,024.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.